Z4-180-41 Direct Current 55kw Electric Motor 440V

Brief Introduction

SIMO Z4 series DC motors are high-efficiency separately excited direct current motors designed and manufactured by Xi'an SIMO Motor, strictly produced in accordance with JB/T6316 industry standards to meet modern industrial variable-speed driving demands. The 55kw electric motor of Z4-180-41 is a core representative model of this product line, widely recognized for stable power output and flexible speed regulation performance. Rated at 440V armature voltage, 140A armature current and dual rated speeds of 1500rpm and 3000rpm, this motor adopts separate excitation design with rated excitation current at 6.85A, supporting S1 continuous long-hour working system to satisfy non-stop production operation.

In terms of core advantages, Z4 DC motors carry multiple optimized structural configurations. First, the whole machine is configured with Class F thermal insulation rated at 155℃, effectively resisting temperature rise during long-time heavy-load running, while IP21S protection grade prevents splashing water and solid particle intrusion to extend service lifespan. Matching C3 clearance bearings at both drive end and non-drive end greatly reduces running friction and vibration noise; the IM B3 foot-mounted installation structure simplifies on-site fixing and equipment matching for assembly lines. Meanwhile, independent excitation circuit realizes stepless wide-range speed adjustment, far superior to traditional DC motors in speed control precision and energy-saving efficiency. As a mature bulk specification, the standard-version 55kw electric motor weighs 386kg with compact frame size, balancing mechanical rigidity and space-saving layout for various production layouts. The product passes CE certification, complying with international electrical safety norms for cross-border equipment matching.

Z4 series DC motors cover diversified industrial application scenarios. In metallurgical industry, they serve for rolling mill auxiliary transmission, steel coil winding and raw material conveying equipment thanks to strong overload capacity and stable low-torque output. For printing, papermaking and textile machinery production lines, their precise variable-speed feature ensures uniform processing speed of finished products and reduces defective rate. Besides, the motors are extensively configured in mining hoist auxiliary drive, plastic extrusion machinery, hydraulic pump drive and cement production auxiliary equipment. Under ambient conditions of 0~40℃ environment temperature and altitude below 1000 meters, Z4 motors maintain consistent working efficiency without performance attenuation, becoming the preferred variable-speed power source for medium and heavy-duty industrial equipment worldwide. With strict factory testing before delivery, this Z4-180-41 55kw electric motor guarantees stable long-term operation and low maintenance cost for global end-users.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC  installation dimensions available

• Customizable outlook and dimensions

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Armature

• 99.9% pure copper bar for armature to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the copper bars are fitted in by handwork to ensure all slots are full and avoid any possible flaw.

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Winding:

• All windings are made of pure copper to assure induction efficiency

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• All motors will be packaged well before delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

Cement

Oil gas

Steel

Sugar

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